JP2001115724A - Supporting structure of hinged door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the supporting structure of a hinged door, which is not projected from a door and a door frame, by which the door can be opened up to approximately 180 deg. and in which usability and appearance are improved. SOLUTION: In the supporting structure of the hinged door in which the hinge door D is disposed in front of a door frame F, the end section of the hinged door D is supported rotatably at the end section of the door frame F and the hinged door D is installed to the door frame F in an openable and closeable manner, the base section 1a of the first link 1 and the base section 2a of the second link 2 at an interval at the front end side of the hinged door D from the base section 1a of the first link 1 are attached pivotally inside the hinged door D while the base section 3a of the third link 3 and the base section 4a of the fourth link 4 at an interval on the rear side of the door frame F from the base section 3a of the third link 3 are attached pivotally inside the door frame F, and the front end section 1b of the first link 1 and a section 3d near to the base section of the front end section of the third link 3, the front end section 2b of the second link 2 and the front end section 4b of the fourth link 4, and the intermediate section 2c of the second link 2 and the front end section 3b of the third link 3 are pivotally provided respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinged door support structure, and more particularly to a hinged door support structure capable of opening a door, which is erected in front of a door frame, up to approximately 180 degrees. .

[0002]

2. Description of the Related Art A swing door, also called a swing door, has a structure in which one end of a door is pivotally supported rotatably, and is widely used in a closet, an archive, and the like. The hinged door is normally rotatably supported by the hinge at an end of the door frame at an end of the door frame, so that the door is openably and closably attached to the door frame.

[0003] In the case of an opening door that is set up in front of a door frame, as shown in FIG. 5, a pair of joining plates 12 and 13 that rotate through a central shaft 11 are opened.
However, in order to open the opening door to approximately 180 °, the central shaft 11 is protruded from the door 14 or the door frame 15 due to the structure of the hinge. When the door is closed, the portion of the center axis 11 of the protruding hinge is obstructed when the door is closed, and there is a problem that the human body and clothes are damaged and the appearance is impaired.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the hinges of the conventional doors, and does not protrude from the door or the door frame, and allows the door to be widely opened up to approximately 180 °. It is an object of the present invention to provide a support structure for a hinged door that improves usability and appearance.

[0005]

In order to achieve the above object, a supporting structure for a hinged door according to the present invention has a hinged door disposed in front of a door frame, and the edge of the hinged door is connected to the edge of the door frame. In a supporting structure of an opening door, which is rotatably supported and the opening door is openably and closably attached to a door frame, a base of a first link and a tip of the opening door from the base of the first link inside the opening door. At the same time, the base of the second link is pivotally connected to the base of the third link, and the base of the third link is provided inside the door frame, and the base of the third link is spaced from the base of the third link to the rear side of the door frame. The base of the link is pivotally connected, and a portion of the tip of the first link and the tip of the third link from the base, the tip of the second link and the tip of the fourth link, and the middle of the second link The part and the distal end of the third link are pivotally connected to each other.

In the hinged door support structure of the present invention, when the hinged door is opened from the closed state, the third link and the fourth link rotate around their bases, and the first link and the second link are rotated.
Push the links forward in front of the doorframe, opening them at an angle. The extruded first link and second link are relatively displaced in the longitudinal direction due to the opening of the third link and the fourth link, and the base of the second link is moved to the first link.
Move forward of link base. As a result, the hinged door rotates in the opening direction while being pushed forward of the door frame, and changes its angle in accordance with the amount of pulling out of the third link and the fourth link, without substantially interfering with the door frame. It is greatly opened until. As described above, in the swing door support structure of the present invention, since the swing door is rotated while being pushed forward of the door frame by each of the first to fourth links, the swing door disposed in front of the door frame is substantially removed. It can be widened up to 180 °, and since each link is arranged inside the open door and the door frame, there is nothing protruding from the door or door frame when the open door is closed, Usability and appearance can be improved.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a hinged door support structure according to the present invention.

FIGS. 1 and 2 show an embodiment of a support structure for a hinged door according to the present invention.

The supporting structure of the hinged door is usually a hinged door D
Are formed in a pair at the upper part and the lower part. Here, the supporting structure of the upper part of the door D will be illustrated and described. In addition,
The same applies to the lower support structure.

In the supporting structure of the opening door, an opening door D is provided in front of the door frame F, and an end of the opening door D is rotatably supported by an end of the door frame F. D is attached to the door frame F so as to be openable and closable. In this support structure, the first to fourth four links 1 to 4 which are disposed so as to be vertically shifted so that they do not interfere with each other's movement.
4, the door D is supported. These first to fourth
The four links 1 to 4 are disposed so as to extend substantially in the same direction along the inside of the door frame F when the open door D shown in FIGS. 1 and 2A is closed.

In the support structure of the hinged door, the base 1a of the first link 1 is pivotally mounted inside the hinged door D, and the front end D of the hinged door D is connected from the base 1a of the first link 1.
The base 2a of the second link 2 is pivotally mounted at an interval 1.
On the other hand, the base 3a of the third link 3 is pivotally mounted inside the door frame F, and the base 4a of the fourth link 4 is spaced from the base 3a of the third link 3 to the rear side F1 of the door frame F. It is pivoted.

Further, when the first link 1 and the second link 2 are substantially parallel to each other, the distal end 1b of the first link 1 and the third link 1
A portion 3d from the base of the distal end 3b of the link 3, the distal end 2b of the second link 2 and the distal end 4b of the fourth link 4, and the intermediate portion 2c of the second link 2 and the distal end 3b of the third link 3.
Are pivotally connected by a pivot 5 respectively.
Note that the first link 1 and the second link 2 are shown in FIG.
(B) is pivotally attached to the opening door D via the mounting bracket 6 shown in FIG.
Also, the third link 3 and the fourth link 4 are shown in FIG.
It is pivotally attached to the door frame F via the mounting bracket 7 shown in FIG.

The first link 1 and the fourth link 4 are shown in FIG.
As shown in FIG. 1A, it is formed of a linear plate. With the open door D closed as shown in FIGS. 1 and 2A, the left and right sides are substantially parallel to the door frame F. It is arranged adjacent to.

As shown in FIG. 3 (b), the second link 2 is formed in a straight line from the base 2a to the intermediate portion 2c, is disposed substantially in parallel with the first link 1, and has an intermediate position. The portion from the portion 2c to the tip 2b is bent toward the door frame F, and the bent tip 2b is pivotally attached to the tip 4b of the fourth link 4. The length of the second link 2 from the pivot 5 of the base 2a to the pivot 5 of the intermediate portion 2c is equal to the length of the first link 1 from the pivot 5 of the base 1a to the pivot 5 of the tip 1b.

On the other hand, as shown in FIG. 3 (c), the third link 3 is formed so that the portion from the base 3a to the intermediate portion 3c is formed in a straight line, and in a state shown in FIGS. 1 and 2 (a). The portion from the intermediate portion 3c to the portion 3d from the base of the tip 3b is bent to the opposite side to the door frame F, and the portion from the base of the tip 3b to the tip 3b is further opposite to the door frame F. It is bent. The third link 3 is disposed substantially parallel to the door frame F so that a linear portion from the base 3a to the intermediate portion 3c substantially vertically matches below the fourth link 4, and is bent. A portion 3d of the bent distal end 3b from the base is pivotally attached to the distal end 1b of the first link 1, and the bent distal end 3b is further connected to the intermediate portion 2c of the second link 2.
Is pivoted to.

When the door D is opened from the closed state, as shown in FIG. 2B, the third link 3 and the fourth link 4 rotate about the bases 3a, 4a. ,
The first link 1 and the second link 2 are pushed out toward the front of the door frame F while opening the angle between them as shown. The extruded first link 1 and second link 2 correspond to the third link 3
The base 2a of the second link 2 is moved forward of the base 1a of the first link 1 while being relatively displaced in the longitudinal direction due to the opening of the angle with the fourth link 4. Thus, the swinging door D rotates in the opening direction while being pushed forward of the door frame F, and changes the angle according to the amount of pulling out of the third link 4 and the fourth link 4, as shown in FIG. As shown in the figure, the door is opened up to approximately 180 degrees without interfering with the door frame F.

As shown in FIG. 2C, even if another door frame F 'exists adjacent to the door frame F, the lengths of the third link 4 and the fourth link 4 are set to be longer. By doing so, it is possible to prevent the door frame F 'from interfering with the opening door D' even when the opening door D is opened to approximately 180 degrees as shown.

As described above, in the supporting structure of the opening door of the present embodiment, the opening door D is rotated by pushing the opening door D forward of the door frame F by the first to fourth links 1-4. The door D disposed in front of the door can be widely opened up to approximately 180 °, and each of the links 1-4 is opened.
And inside the door frame F, there is nothing protruding from the door D or the door frame F when the opening door D is closed, so that usability and appearance can be improved.

While the embodiment of the supporting structure for a hinged door according to the present invention has been described above, the supporting structure for a hinged door described above has the following features.
Changes can be made as appropriate without departing from the spirit of the present invention.

[0020]

According to the opening door support structure of the present invention, since the opening door is rotated while being pushed forward of the door frame by each of the first to fourth links, the opening provided in front of the door frame is rotated. Since the door can be opened up to approximately 180 °, and each link is arranged inside the door and the door frame,
When the hinged door is closed, there is nothing protruding from the door or the door frame, which avoids the conventional projection of the hinge and eliminates damage to the human body and clothes, improving usability and appearance. Can be planned.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a hinged door support structure of the present invention.

FIGS. 2A and 2B show the same operation, wherein FIG. 2A is a plan view showing a state in which an opening door is closed, FIG. 2B is a plan view showing a state in which the opening door is opened at 90 degrees, and FIG. It is a top view showing an opened state.

3 (a) is a plan view showing a first link and a fourth link, FIG. 3 (b) is a plan view showing a second link, FIG.
(C) is a plan view showing a third link.

4A and 4B show the same mounting bracket, wherein FIG. 4A is a development view of a mounting bracket on an opening door side, FIG. 4B is a side view thereof, FIG. 4C is a development view of a mounting bracket on a door frame side, and FIG. It is the same side view.

FIG. 5 is a partial cross-sectional plan view showing a conventional hinged door support structure.

[Explanation of symbols]

 D Door door F Door frame 1 First link 1a Base of first link 1b End of first link 2 Second link 2a Base of second link 2b End of second link 2c Intermediate section of second link 3 Third Link 3a Base of third link 3b Tip of third link 3c Intermediate portion of third link 3d Part from base of tip 4 fourth link 4a Base of fourth link 4b Tip of fourth link 5 Axis 6 Mounting Bracket 7 Mounting bracket

Claims (1)

[Claims] 1. An open door, wherein an open door is provided in front of a door frame, an end of the open door is rotatably supported on an end of the door frame, and the open door is attached to the door frame so as to be openable and closable. In the support structure of (1), the base of the first link and the base of the second link are pivotally attached to the inside of the hinged door at an interval from the base of the first link to the tip side of the hinged door. On the inside, the base of the third link, the base of the fourth link at a distance from the base of the third link to the rear side of the door frame, and the front end of the first link and the third link A hinged portion, wherein a portion of the front end of the door from the base, a front end of the second link and a front end of the fourth link, and an intermediate portion of the second link and a front end of the third link are pivotally connected, respectively. Support structure.